ICD-10-CM>J00-J99>J90-J94>J91J91Pleural effusion in conditions classified elsewhereNon-Billable/Non-SpecificType 2 Excludespleural effusion in heart failure (I50.-)pleural effusion in systemic lupus erythematosus (M32.13)CodesJ91.0Malignant pleural effusionJ91.8Pleural effusion in other conditions classified elsewhere